Answers: 2
Chemistry, 21.06.2019 17:10
Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.
Answers: 2
Chemistry, 22.06.2019 04:40
Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)
Answers: 2
Chemistry, 22.06.2019 05:50
Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
Answers: 2
Chemistry, 23.06.2019 00:00
#20 which type of bond is formed when bases pair in dna? ionic bond covalent bond coordinate bond hydrogen bond
Answers: 1
Convert 4540 grams of gold to moles of gold...
Mathematics, 22.02.2020 22:43
Mathematics, 22.02.2020 22:44
Mathematics, 22.02.2020 22:45
Mathematics, 22.02.2020 22:49
Mathematics, 22.02.2020 22:49
Physics, 22.02.2020 22:52